Toxic shock syndrome results from systemic infection with

Staphylococcus aureus

Scalded skin syndrome results from infection of the

skin with strains of Staphylococcus aureus producing o

specific toxin, which destroys the intercellular

connections in the skin, resulting in large areas of

desquamation

Scanning electron micrograph of Vibriocholeras showing comma-shaped rods with a single polar flagellum

Compylobaocter jejuni infection. Gram stain showing Gram-negative, S-shaped bacilli

Helicobacter pylori gastritis. Silver stain showing numerous spiral-shaped organisms adhering to the mucosal surface

Helicobacter pylori gastritis. Silver stain showing numerous spiral-shaped organisms adhering to the mucosal surface

Multiple pyogenic liver abscesses due toPseudomonos aeruginosa

Computerized tomogrophic scon showing hepalosplenomegaly in Brucella melitensisinfection

Transmission of brucellosis Human infection follows contact with infected animals or consumption of

infected animal products.

Bacillus endospores

Spores in lung

Anthrax, (a) Characteristic black eschar surrounded by a ring of vesiculation (b) Eight days later, the eschar has enlarged to cover the previously vesicular area, and the surrounding edema has diminished.